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29742230 = 257424889
BaseRepresentation
bin111000101110…
…1010010010110
32001222001200002
41301131102112
530103222410
62541251302
7510543020
oct161352226
961861602
1029742230
1115874861
129b63b32
13621486b
143d43010
1529277a5
hex1c5d496

29742230 has 16 divisors (see below), whose sum is σ = 61184160. Its totient is φ = 10197312.

The previous prime is 29742227. The next prime is 29742233. The reversal of 29742230 is 3224792.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29742227) and next prime (29742233).

It is a junction number, because it is equal to n+sod(n) for n = 29742193 and 29742202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29742233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212375 + ... + 212514.

It is an arithmetic number, because the mean of its divisors is an integer number (3824010).

Almost surely, 229742230 is an apocalyptic number.

29742230 is an abundant number, since it is smaller than the sum of its proper divisors (31441930).

29742230 is a wasteful number, since it uses less digits than its factorization.

29742230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424903.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 29742230 is about 5453.6437360722. The cubic root of 29742230 is about 309.8307435395.

The spelling of 29742230 in words is "twenty-nine million, seven hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 424889 849778 2124445 2974223 4248890 5948446 14871115 29742230